there is a +可数名词单数+地点怎?还有there is some+不可数名词+地点怎么改成否定句和一般问句?最好有回答
问题描述：
there is a +可数名词单数+地点怎?还有there is some+不可数名词+地点怎么改成否定句和一般问句?
最好有回答
答
看单数还是复数，不是根据some来判断的，而是根据词本身是可数还是不可数来判断的，不可数名词默认单数
要改疑问句，把be动词提前
要改否定句，在be动词后加not
some都要改成any
答
there is a book on the deskthere isn't a book on the deskis there a book on the desk?there is some water on the floorthere isn't any water on the flooris there any water on the floor?